Gas cylinder valve body



FIG. 1 is a top perspective view of a gas cylinder valve body showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view.

The broken line showings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a gas cylinder valve body, as shown and described. 